diff --git a/25th-Contributor-Meeting-in-'s-Hertogenbosch.md b/25th-Contributor-Meeting-in-'s-Hertogenbosch.md
index 2cce578..ce0c1bb 100644
--- a/25th-Contributor-Meeting-in-'s-Hertogenbosch.md
+++ b/25th-Contributor-Meeting-in-'s-Hertogenbosch.md
@@ -109,7 +109,7 @@ If you'd like to attend workshops at the Onboarding Day, please subscribe for th
 | 25 | Damiano Lombardi | CH | ?/04 | 23:00 | ?/04 | 19:00 | TBD | anything | ? | ? | damiano@opengis.ch |
 | 26 | Matthias Kuhn | CH | ?/04 | 23:00 | ?/04 | 19:00 | TBD | anything | ? | ? | matthias@opengis.ch |
 | 27 | Marco Bernasocchi | CH | ?/04 | 23:00 | ?/04 | 19:00 | TBD | anything | ? | ? | marco@opengis.ch |
-| 27 | Peter Gipper | DE | 20/04 | TBD | TBD | TBD | TBD | anything | maybe | M | peter.gipper@wheregroup.com |
+| 28 | Peter Gipper | DE | 20/04 | TBD | TBD | TBD | TBD | anything | maybe | M | peter.gipper@wheregroup.com |
 
 ## Individual Preparation